Fix documentation link to deprecated alias
Merge pull request #644 from BoapNet/doc-fix

Fix documentation link to deprecated alias
Delay deletion of the main thread's event driver to "~shared static this()".
Add performance of preparing the match graph for routes that contain placeholders.
Further improve performance and work around stupid D AA behavior.

Always dangerous to use AAs with custom types... (need to define opCmp, opEquals and toHash, or the results will be totally unexpected).
Implement TCPListenOptions.disableAutoClose. Fixes #641.

This allows the TCPConnection instance passed to the connection callback to outlive the duration of the callback.